Home / 27,090.63-37,383.31-15,151.90

Finding the Fourth Proportional to 27,090.63, 37,383.31 and 15,151.90

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Solution

The fourth proportional to 27,090.63, 37,383.31 and 15,151.90 is: 20,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.63 : 37,383.31 = 15,151.90 : x
  2. Step 2: Convert to fraction form
    27,090.63/37,383.31 = 15,151.90/x
  3. Step 3: Cross multiply
    27,090.63x = 37,383.31 × 15,151.90
  4. Step 4: Simplify right side
    27,090.63x = 566,428,174.79
  5. Step 5: Solve for x
    x = 566,428,174.79/27,090.63
  6. Step 6: Final answer
    x = 20,908.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.